The winning Connecticut Play4 numbers for September 23, 2021 were: day 9-7-7-9; night 2-1-1-9.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Sep 23, 2021 | Night | 2-1-1-9 | 13 | 4 |
| Sep 23, 2021 | Day | 9-7-7-9 | 32 | 5 |
| Sep 22, 2021 | Night | 6-6-2-5 | 19 | 1 |
| Sep 22, 2021 | Day | 4-4-9-7 | 24 | 6 |
| Sep 21, 2021 | Night | 0-2-4-7 | 13 | 4 |
| Sep 21, 2021 | Day | 8-7-5-3 | 23 | 5 |
| Sep 20, 2021 | Night | 5-7-8-7 | 27 | 9 |
| Sep 20, 2021 | Day | 4-8-8-9 | 29 | 2 |
| Sep 19, 2021 | Night | 3-0-2-3 | 8 | 8 |
| Sep 19, 2021 | Day | 4-1-6-2 | 13 | 4 |
| Sep 18, 2021 | Night | 9-7-3-0 | 19 | 1 |
| Sep 18, 2021 | Day | 7-9-6-0 | 22 | 4 |
| Sep 17, 2021 | Night | 1-4-9-4 | 18 | 9 |
| Sep 17, 2021 | Day | 1-2-7-6 | 16 | 7 |